/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
Iterator function to invoke a lambda /TFunctionfor each element
void ForEach ( [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< bool([FRigBaseElement](API\Plugins\ControlRig\Rigs\FRigBaseElement) *)> PerElementFunction ) const